http://www.globeadvisor.com/servlet/ArticleNews/story/gam/20101216/GICESTNICK1216ATL

Thursday, December 16, 2010 |TIM CESTNICK

I should have studied psychology in university. It might have been helpful in understanding people - especially my wife. I will pay $50 for a $30 item that I really need, but she'll pay $30 for a $50 item she doesn't need, just because it's on sale. Where I have exactly seven items in the bathroom that belong to me (toothbrush, toothpaste, dental floss, razor, shav...